1 // RUN: %clang -target mips64el-unknown-linux -ccc-clang-archs mips64el -O3 -S -mabi=n64 -o - -emit-llvm %s | FileCheck %s 2 3 typedef struct { 4 double d; 5 long double ld; 6 } S0; 7 8 // Insert padding to ensure arguments of type S0 are aligned to 16-byte boundaries. 9 10 // CHECK: define void @foo1(i32 %a0, i64, double %a1.coerce0, i64 %a1.coerce1, i64 %a1.coerce2, i64 %a1.coerce3, double %a2.coerce0, i64 %a2.coerce1, i64 %a2.coerce2, i64 %a2.coerce3, i32 %b, i64, double %a3.coerce0, i64 %a3.coerce1, i64 %a3.coerce2, i64 %a3.coerce3) 11 // CHECK: tail call void @foo2(i32 1, i32 2, i32 %a0, i64 undef, double %a1.coerce0, i64 %a1.coerce1, i64 %a1.coerce2, i64 %a1.coerce3, double %a2.coerce0, i64 %a2.coerce1, i64 %a2.coerce2, i64 %a2.coerce3, i32 3, i64 undef, double %a3.coerce0, i64 %a3.coerce1, i64 %a3.coerce2, i64 %a3.coerce3) 12 // CHECK: declare void @foo2(i32, i32, i32, i64, double, i64, i64, i64, double, i64, i64, i64, i32, i64, double, i64, i64, i64) 13 14 extern void foo2(int, int, int, S0, S0, int, S0); 15 16 void foo1(int a0, S0 a1, S0 a2, int b, S0 a3) { 17 foo2(1, 2, a0, a1, a2, 3, a3); 18 } 19 20 // Insert padding before long double argument. 21 // 22 // CHECK: define void @foo3(i32 %a0, i64, fp128 %a1) 23 // CHECK: tail call void @foo4(i32 1, i32 2, i32 %a0, i64 undef, fp128 %a1) 24 // CHECK: declare void @foo4(i32, i32, i32, i64, fp128) 25 26 extern void foo4(int, int, int, long double); 27 28 void foo3(int a0, long double a1) { 29 foo4(1, 2, a0, a1); 30 } 31 32 // Insert padding after hidden argument. 33 // 34 // CHECK: define void @foo5(%struct.S0* noalias sret %agg.result, i64, fp128 %a0) 35 // CHECK: call void @foo6(%struct.S0* sret %agg.result, i32 1, i32 2, i64 undef, fp128 %a0) 36 // CHECK: declare void @foo6(%struct.S0* sret, i32, i32, i64, fp128) 37 38 extern S0 foo6(int, int, long double); 39 40 S0 foo5(long double a0) { 41 return foo6(1, 2, a0); 42 } 43 44
